Electrical Design
‑46‑
Terminal Arrangement of the Filter Unit
Table 3–6 Terminal description of the filter unit
No.
Terminal Name
Function Description
1
R/L1, S, T/L2 input terminals Used for power input.
2
Input M4 grounding screw Used for input grounding.
3
R'/L1', S', T'/L2' output
terminals
Used to connect the power
supply unit.
4
Output M4 grounding screw Used for output grounding.
5
Optional EMC screw Used for EMC grounding
(optional).
3.1.2 Main Circuit Wiring Requirements
Main Circuit Wiring Requirements
● Terminals BR and (+) are used to connect options. Do not connect them to the AC
power supply.
● The wire for the braking unit cannot exceed 10 m. Use the twisted pair wire or
tight pair wires for parallel connection.
● Do not connect the braking resistor directly to the DC bus. Otherwise, the device
may be damaged and even a fire may occur.
● The specifications and installation method of main circuit cables must comply
with local regulations and related IEC requirements. Use copper conductors of a
proper size as main circuit cables according to the recommended values of main
circuit cable selection in this user guide.
● To protect the main circuit, separate it from the possible contact surface and
provide covers as required.
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